/*
 * MinIO Java SDK for Amazon S3 Compatible Cloud Storage, (C) 2020 MinIO, Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package io.minio.messages;

import java.time.ZonedDateTime;
import org.simpleframework.xml.Element;

/** Base class for {@link Transition} and {@link Expiration}. */
public abstract class DateDays {
  @Element(name = "Date", required = false)
  private ResponseDate date;

  @Element(name = "Days", required = false)
  private Integer days;

  public DateDays(ResponseDate date, Integer days) {
    if (date != null ^ days != null) {
      this.date = date;
      this.days = days;
    } else {
      throw new IllegalArgumentException("Only one of date or days must be set");
    }
  }

  public ZonedDateTime date() {
    return (date != null) ? date.zonedDateTime() : null;
  }

  public Integer days() {
    return days;
  }
}
